430 Wortman — Studies of Eocene Mammalia in the 

 The following principal measurements are herewith given : 



Length of skull _._ 318*5 



Width of skull at posterior portion of zygomata 160- 



Height of anterior nares - 54* 



Vertical diameter of orbit 43* 



Height of occiput above base of condyles .. 113-5 



Width of condyles _ . 54- 



Greatest width of occiput 32* 



Length of superior tooth line from anterior border of 



incisors 1 54- 



Length of premolar series 62* 



Length of molar series 45' 



Antero-posterior diameter of superior canine _ 20* 



Length of lower jaw... 248- 



Length of inferior dentition 151 • 



Greatest depth of jaw including coronoid 93* 



Depth of jaw opposite first molar 43* 



Width of palate between canines 33*5 



Width of palate opposite first molar 46 • 



Transverse diameter between inferior canines (internal). 18* 

 Transverse diameter between inferior canines (external). 44* 



Transverse diameter of inferior canine __ 13* 



Totallength of vertebral column, as articulated, including 



sacrum, exclusive of curves; tail not included 860* 



Total length of vertebral column, including curves ; tail 



not included 910* 



Length of tail (estimated) __ 970* 



Length of cervicals 230* 



Length of dorsals __ 338* 



Length of lumbars.. 280* 



Length of sacrals (estimated) 62* 



Length of body of axis, including odontoid 60* 



Height of axis at posterior border of centrum 63* 



Antero-posterior length of spine of axis 68* 



Height of seventh cervical, including spine ._ 113* 



Height of first dorsal, including spine 128* 



Height of ninth dorsal. 64* 



Length of body of penultimate lumbar __ _ 36* 



Width of sacrum 40* 



Length of first rib . 71 • 



Length of third rib 132- 



Length of seventh rib 169* 



Width of third rib... 20- 



Width of seventh rib 13* 



Length of scapula 197' 



Antero-posterior diameter of glenoid cavity... 38*5 



TV II" 



